SST89E554RC View Datasheet(PDF) - Silicon Storage Technology
Part Name
Description
View to exact match
SST89E554RC Datasheet PDF : 62 Pages
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FlashFlex51 MCU
SST89E564RD / SST89V564RD / SST89E554RC / SST89V554RC
Preliminary Specifications
SuperFlash Data Register (SFDT)
Location
7
6
5
4
3
2
1
0
Reset Value
0B5H
SuperFlash Data Register
00000000b
Symbol
SFDT
Function
Mailbox register for interfacing with flash memory block. (Data register).
SuperFlash Address Registers (SFAL)
Location
7
0B3H
6
5
4
3
2
1
SuperFlash Low Order Byte Address Register
0
Reset Value
00000000b
Symbol
SFAL
Function
Mailbox register for interfacing with flash memory block. (Low order address register).
SuperFlash Address Registers (SFAH)
Location
7
0B4H
6
5
4
3
2
1
SuperFlash High Order Byte Address Register
0
Reset Value
00000000b
Symbol
SFAH
Function
Mailbox register for interfacing with flash memory block. (High order address register).
Interrupt Enable (IE)
Location
7
A8H
EA
6
5
4
3
2
1
0
Reset Value
EC
ET2
ES
ET1
EX1
ET0
EX0
00H
Symbol
EA
EC
ET2
ES
ET1
EX1
ET0
EX0
Function
Global Interrupt Enable.
0 = Disable
1 = Enable
PCA Interrupt Enable.
Timer 2 Interrupt Enable.
Serial Interrupt Enable.
Timer 1 Interrupt Enable.
External 1 Interrupt Enable.
Timer 0 Interrupt Enable.
External 0 Interrupt Enable.
Interrupt Enable A (IEA)
Location
7
6
5
4
3
2
1
0
Reset Value
E8H
-
-
-
-
EBO
-
-
-
xxxx0xxxb
Symbol
EBO
Function
Brown-out Interrupt Enable.
1 = Enable the interrupt
0 = Disable the interrupt
©2001 Silicon Storage Technology, Inc.
18
S71207-00-000 9/01 555
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